1#!/bin/ksh -p
2#
3# This file and its contents are supplied under the terms of the
4# Common Development and Distribution License ("CDDL"), version 1.0.
5# You may only use this file in accordance with the terms of version
6# 1.0 of the CDDL.
7#
8# A full copy of the text of the CDDL should have accompanied this
9# source.  A copy of the CDDL is also available via the Internet at
10# http://www.illumos.org/license/CDDL.
11#
12
13#
14# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
15#
16
17. $STF_SUITE/include/libtest.shlib
18. $STF_SUITE/tests/functional/cli_root/zfs_destroy/zfs_destroy.cfg
19. $STF_SUITE/tests/functional/cli_root/zfs_destroy/zfs_destroy_common.kshlib
20
21################################################################################
22#
23# Deferred destroyed snapshots remain until the last hold is released.
24#
25# 1. Create test environment without clones.
26# 2. 'zfs hold <tag1> <snap>'
27# 3. 'zfs destroy -d <snap>'
28# 4. Sequence of holds/releases including invalid ones that should fail.
29# 4. Verify snapshot still exists.
30# 5. Release all holds.
31# 6. Verify that the snapshot is destroyed.
32#
33################################################################################
34
35function test_snap_run
36{
37    typeset dstype=$1
38
39    snap=$(eval echo \$${dstype}SNAP)
40    log_must zfs hold zfstest1 $snap
41    log_must zfs destroy -d $snap
42    log_must datasetexists $snap
43    log_must eval "[[ $(get_prop defer_destroy $snap) == 'on' ]]"
44
45    log_must zfs hold zfstest2 $snap
46    log_mustnot zfs hold zfstest1 $snap
47    log_mustnot zfs hold zfstest2 $snap
48
49    log_must zfs release zfstest1 $snap
50    log_must datasetexists $snap
51    log_mustnot zfs release zfstest1 $snap
52    log_must datasetexists $snap
53    log_mustnot zfs release zfstest3 $snap
54    log_must datasetexists $snap
55
56    log_must zfs release zfstest2 $snap
57    log_mustnot datasetexists $snap
58}
59
60log_assert "deferred destroyed snapshots remain until last hold is released"
61log_onexit cleanup_testenv
62
63setup_testenv snap
64
65for dstype in FS VOL; do
66    if [[ $dstype == VOL ]]; then
67		if is_global_zone; then
68			test_snap_run $dstype
69		fi
70	else
71		test_snap_run $dstype
72	fi
73done
74
75log_pass "deferred destroyed snapshots remain until last hold is released"
76